[INFO] updating cached repository https://github.com/magnonellie/cam-to-hue
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eff8d82e5b22b87993c7273e70cebff0755524f
[INFO] testing magnonellie/cam-to-hue against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnonellie%2Fcam-to-hue" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magnonellie/cam-to-hue on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/magnonellie/cam-to-hue
[INFO] finished tweaking git repo https://github.com/magnonellie/cam-to-hue
[INFO] tweaked toml for git repo https://github.com/magnonellie/cam-to-hue written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/magnonellie/cam-to-hue already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] f942dbb9becad7a694e8ef739afe991edd7d46c15be456df31692e57dcb0a7f5
[INFO] running `"docker" "start" "-a" "f942dbb9becad7a694e8ef739afe991edd7d46c15be456df31692e57dcb0a7f5"`
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling exoquant v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rscam v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling serde_json v0.9.8
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[INFO] [stderr]    Compiling deflate v0.7.4
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling hyper-openssl v0.2.3
[INFO] [stderr]    Compiling image v0.12.3
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling philipshue v0.3.1
[INFO] [stderr]    Compiling cam-to-hue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hue/mod.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut f = try!(File::create(USER_FILE_NAME));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::PreciseTime`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use time::PreciseTime;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_rgb_buffer`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn save_rgb_buffer(buffer: &[u8], width: u32, height: u32, path: &'static str) -> Result<(), std::io::Error> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.cam_to_hue.8da3d18z-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4" "/opt/rustwide/target/debug/deps/cam_to_hue-8ad0d46eb9a6b4b4.57wcb9j433o43chw.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-789c78491079e4ff/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libphilipshue-19d41c2c673a87a2.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-3439326bcf66ad3f.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-d2dd6a11f8afffba.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-4aae52c922faf5e8.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-8c7ae48a4a826296.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-74a8da7eb87e7425.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-12ada7abe4f2a2f8.rlib" "/opt/rustwide/target/debug/deps/libwinapi-7e701baf38e52a01.rlib" "/opt/rustwide/target/debug/deps/libkernel32-599f52907835aafd.rlib" "/opt/rustwide/target/debug/deps/libhyper_openssl-d09706bfb13cbd18.rlib" "/opt/rustwide/target/debug/deps/libopenssl-ae952545a51c96c8.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-c1996f0d34031206.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e7342ac075278d29.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-625c217edcb110a3.rlib" "/opt/rustwide/target/debug/deps/libantidote-5ce29849e1502126.rlib" "/opt/rustwide/target/debug/deps/libhyper-71daa3b0981794cb.rlib" "/opt/rustwide/target/debug/deps/libmime-293c9ec43965f5ab.rlib" "/opt/rustwide/target/debug/deps/liblog-75ad2277dd237681.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-32bcf7e80919d84f.rlib" "/opt/rustwide/target/debug/deps/libtypeable-094902d221ec1107.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-b5c0c421e2409ae5.rlib" "/opt/rustwide/target/debug/deps/libhttparse-d5a669df5d250181.rlib" "/opt/rustwide/target/debug/deps/libunicase-a3a47f82fc9006bc.rlib" "/opt/rustwide/target/debug/deps/liburl-064da28a0181dc6a.rlib" "/opt/rustwide/target/debug/deps/libidna-54cac593d650683f.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-d7d2f9bf5ca5d1d3.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-e3a6bebd950939cd.rlib" "/opt/rustwide/target/debug/deps/libmatches-14d67259d4142956.rlib" "/opt/rustwide/target/debug/deps/libtime-067aeb3d4851b17f.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-36df04c4ffd5e9b5.rlib" "/opt/rustwide/target/debug/deps/libserde_json-6ac7e28031a23c9e.rlib" "/opt/rustwide/target/debug/deps/libdtoa-221f1438f2bab42a.rlib" "/opt/rustwide/target/debug/deps/libitoa-b79ad5c67a6b66c8.rlib" "/opt/rustwide/target/debug/deps/libserde-ffe42b3cde95eb5c.rlib" "/opt/rustwide/target/debug/deps/libexoquant-27b01be2b37e1f06.rlib" "/opt/rustwide/target/debug/deps/libimage-24239f424fb2fd08.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-ed2f32b930a7be02.rlib" "/opt/rustwide/target/debug/deps/libgif-a057f8d50f850675.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-38da04927ac5d530.rlib" "/opt/rustwide/target/debug/deps/liblzw-7031afe4e8382d45.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-48a83d8fc36bd49d.rlib" "/opt/rustwide/target/debug/deps/librayon-b3bc35c3e4ce57ff.rlib" "/opt/rustwide/target/debug/deps/librand-09ffa3a02f8e050e.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-e1b5c7d1cc3057cb.rlib" "/opt/rustwide/target/debug/deps/libdeque-cf38b6d17fa72a48.rlib" "/opt/rustwide/target/debug/deps/libpng-8a7f39590daa6178.rlib" "/opt/rustwide/target/debug/deps/libdeflate-78ae212d761973b2.rlib" "/opt/rustwide/target/debug/deps/libadler32-a84319fdb919720a.rlib" "/opt/rustwide/target/debug/deps/libinflate-7ba3e7e5cac7856c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-cfca1255836e7478.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-9c27dab4741906aa.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-7aeeb18320d87015.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-5bf40a1b796113a1.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-dc1ea15c92290a77.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-88cc96a86a1932ed.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-207fc0f141ee22ed.rlib" "/opt/rustwide/target/debug/deps/librscam-a57da03a1aefc05f.rlib" "/opt/rustwide/target/debug/deps/liblibc-c6fe708e66610df7.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lv4l2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lv4l2
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `cam-to-hue`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f942dbb9becad7a694e8ef739afe991edd7d46c15be456df31692e57dcb0a7f5"`
[INFO] running `"docker" "rm" "-f" "f942dbb9becad7a694e8ef739afe991edd7d46c15be456df31692e57dcb0a7f5"`
[INFO] [stdout] f942dbb9becad7a694e8ef739afe991edd7d46c15be456df31692e57dcb0a7f5